By default, our hosting uses UTF-8 encoding. If your site uses a different encoding (often Windows-1251, also known as cp1251), the site may not display correctly. In order to see what encoding is used on your site, you need to load the page of your site in the browser, right-click the browser context menu anywhere on the page and select “View page sources” or a similar item. At the top of the source window you can find the "charset" parameter:

To fix incorrect text display, you need to go to your hosting control panel ISP Manager go to the "WWW" -> "WWW domains" section -> double click on the required domain. In the window that opens, in the “Encoding” line, select the encoding that corresponds to your CMS. Typically this is Windows-1251: